Seneca city, Missouri Demographics & Population 2026
As of 2026, Seneca city, Missouri has a total population of 1,938, the 276th largest city in Missouri, with a median household income of $49,821, which is 28% lower than the state average. The poverty rate is 19.1%.
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.3x.
- Near full employment with an unemployment rate of just 0.3%.
Seneca city Quick Facts
How Seneca city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 39 | National average: 60
Education
Educational Attainment (Adults 25+)
Seneca city Rankings in Missouri
Explore Missouri Rankings
Cities Similar to Seneca city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Claycomo village | 1,994 | $49,649 | $151,300 | 14.1% | 20.3% |
| Elsberry city | 2,010 | $49,226 | $113,300 | 14.1% | 24.9% |
| Memphis city | 1,860 | $49,598 | $117,200 | 17.1% | 12.7% |
| Adrian city | 2,006 | $48,233 | $139,600 | 14.9% | 19.4% |
| Vinita Park city | 1,978 | $53,355 | $99,000 | 26.3% | 22.2% |
Population Overview
Seneca city is a small community located in Missouri. The total population is 1,938. It ranks as the 276th most populous out of 1,062 cities and towns in Missouri.
Age Demographics
The median age in Seneca city is 35.7 years. This is 8% lower than the state median of 38.9 years. 10.8% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Seneca city is $49,821. This is 28% lower than the state median of $68,920. Compared to the national median of $78,538, household income here is 37% lower. The poverty rate stands at 19.1%. This is 51% higher than the state poverty rate of 12.6%. The unemployment rate is 0.3%. This is 94% lower than the state rate of 4.1%. The median home value is $112,300. Housing costs are 48% lower than the state median of $215,600. With a home-value-to-income ratio of just 2.3x, Seneca city is one of the most affordable housing markets in the area. 61.3% of occupied housing units are owner-occupied. This homeownership rate is 10% lower than the state average of 67.9%.
Race & Ethnicity
The largest racial or ethnic group in Seneca city is White (non-Hispanic), making up 73.8% of the population. Hispanic or Latino residents account for 6.2%. The Asian population (0.4%) is well below the state average of 2.1%.
Education
10.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 68% lower than the state rate of 31.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.3%.
Data Sources & Methodology
All demographic data for Seneca city, Missouri is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Seneca city, Missouri?
Seneca city, Missouri has a population of 1,938 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Seneca city, MO?
The median household income in Seneca city is $49,821, which is 37% lower the national median of $78,538.
What is the poverty rate in Seneca city, MO?
The poverty rate in Seneca city is 19.1%. This means approximately 359 residents live below the federal poverty line.
What is the racial makeup of Seneca city, Missouri?
Seneca city's population is 73.8% White, 0.0% Black, 6.2% Hispanic/Latino, and 0.4% Asian.
What is the median home value in Seneca city, MO?
The median home value in Seneca city is $112,300. The home-value-to-income ratio is 2.3x.
How educated is Seneca city, Missouri?
10.1% of adults (25+) in Seneca city hold a bachelor's degree or higher, and 2.8% hold a graduate or professional degree.